debate is an hour and a half. our coverage continues afterward. let's go to candy in the debate hall. wolf, to you. >> anderson, thanks very much. i want to remind our viewers, at the bottom of the screen, squiggly lines, we have a focus group of undecided colorado voters, they are watching, what they like in the debate, don't like in the debate. a lot of squiggly lines, you will see how they are reacting. the only place you will see that kind of undecided voter react. we're standing by, jim lehrer is the moderator, getting ready to ask the first question as a result of a flip of a coin, the president of the united states will get the first answer and the last word will go to mitt romney. here is jim lehrer. >> good evening at the magnus arena at the university of denver in denver, colorado. i'm jim lehrer of the pbs "news hour," and i welcome you to the first of the 2012 presidential debates between president barack obama, democratic nominee, and former massachusetts governor, mitt romney, republican nominee. the debates are sponsored by the comm